It's the famous Tokyo 109 building (named after io9 of course), now falling into the same eco-ruins that overtook Manhattan in plague wipeout movie
I Am Legend »8/05/08 7:00am 8/05/08 7:00am. In fact, Tokyo Fantasy has posted a whole series of images that all feature Tokyo in a post-apocalyptic state which manages to look rather lovely due to all…

This industrial environmentalist building/machine in Madrid is packed with solar cells and trees, and will apparently generate enough energy to sell to local electric companies. Called an "Air Tree," and created by Urban Ecosystems, the mega-device is supposed to have a significantly beneficial impact on the climate.… »1/24/08 3:30pm 1/24/08 3:30pm